If you're interested in learning more about ASTM B580-79, you can download the PDF version of the standard from the ASTM website or other authorized sources.
* The standard notes that hard coatings can vary in thickness from 12 μm to over 100 μm. The minimum thickness for Type A is 50 μm unless otherwise agreed upon, and these coatings are not sealed unless specified.
Designed for harsh, heavy-duty exterior environments, this type provides enhanced coating thickness to withstand extreme weather and heavy handling. 5. Type E: Industrial Class astm b580-79 pdf
The thinnest category defined by the standard, used primarily for bright decorative finishes or interior parts experiencing no wear.
The use of ASTM B580-79 PDF offers several benefits to manufacturers, suppliers, and end-users: If you're interested in learning more about ASTM
| Type | Classification | Industry Description | Minimum Film Thickness (µm) | Primary Application / Notes | | :--- | :--- | :--- | :--- | :--- | | | Engineering Hard Coat | Engineering Hard Coat | 50 | For maximum abrasion/wear resistance. If thickness is not specified, 50 µm is required | | B | Architectural Class I | Architectural Class I | 18 | For exterior architectural components requiring high durability | | C | Architectural Class II | Architectural Class II | 10 | For exterior applications where moderate durability is acceptable | | D | Automotive—Exterior | Automotive Exterior | 8 | For car parts exposed to external environments | | E | Interior—Moderate Abrasion | Interior—Moderate Abrasion | 5.0 | For interior components subject to reasonable wear | | F | Interior—Limited Abrasion | Interior—Limited Abrasion | 3 | For interior parts with minimal wear exposure | | G | Chromic Acid | Chromic Acid | 1 | Thin coating providing an excellent base for paint and adhesive bonding |
ASTM B580-79 covers aluminum alloy sheets and plates that have been anodized for improved corrosion resistance. The standard applies to sheets and plates made from aluminum alloys 6061, 6063, 5083, and others, with thicknesses ranging from 0.040 inches to 4 inches (1 mm to 100 mm). The anodized coatings are classified into different types based on their thickness and properties. The use of ASTM B580-79 PDF offers several
MIL-A-8625 is a military specification that covers three types of anodizing (Type I – chromic acid, Type II – sulfuric acid, Type III – hard coat). ASTM B580-79 was a civilian standard focused primarily on sulfuric acid anodizing. MIL-A-8625 Type III is the direct replacement for B580-79 Type II hard coat.
Specifying Type B and C coatings for high-traffic building storefronts and curtain walls.
Need the ASTM B580-79 Standard? Here’s What You Should Know
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